<%--
  Created by IntelliJ IDEA.
  User: Ray
  Date: 2019/9/13
  Time: 16:42
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<div class="container" style="text-align: center">
    <ul class="pagination">
        <li><a href="javascript:goPage(1)">首页</a></li>

        <%--上一页--%>
        <c:if test="${pageInfo.pageNum>1}">
            <li><a href="javascript:goPage(${pageInfo.pageNum-1})">&laquo;</a></li>
        </c:if>
        <c:if test="${pageInfo.pageNum<=1}">
            <li class="disabled"><a>&laquo;</a></li>
        </c:if>

        <!--循环标签显示 - 显示5个
            思路 - 起始值 - 从当前页
        -->
        <%--处理一下最终的页数--%>

        <c:if test="${pageInfo.pageNum+4<pageInfo.pages}">
            <c:set var="startPage" value="${pageInfo.pageNum}"></c:set>
        </c:if>

        <c:if test="${pageInfo.pageNum+4>=pageInfo.pages}">
            <c:set var="startPage" value="${pageInfo.pages-4}"></c:set>
        </c:if>

        <c:forEach begin="${startPage<=0?1:startPage}" end="${startPage+4}" var="n">
            <%--判断当前页是否高亮显示--%>
            <li <c:if test="${pageInfo.pageNum == n}">class='active'</c:if>> <a href="javascript:goPage(${n})">${n}</a></li>
        </c:forEach>


        <%--下一页--%>
        <c:if test="${pageInfo.pageNum<pageInfo.pages}">
            <li><a href="javascript:goPage(${pageInfo.pageNum+1})">&raquo;</a></li>
        </c:if>
        <c:if test="${pageInfo.pageNum>=pageInfo.pages}">
            <li class="disabled"><a>&raquo;</a></li>
        </c:if>

        <li><a href="javascript:goPage(${pageInfo.pages})">尾页</a></li>
        <li><a href="#">当前页${pageInfo.pageNum}/${pageInfo.pages}总页</a></li>

        <li>
            <a style="border: 0px;padding-top: 0px">
                <select class="form-control" id="sizeSelect" onchange="changeSize(this)">
                    <option value="2" <c:if test="${pageInfo.pageSize == 2}">selected</c:if>>2</option>
                    <option value="4" <c:if test="${pageInfo.pageSize == 4}">selected</c:if>>4</option>
                    <option value="6" <c:if test="${pageInfo.pageSize == 6}">selected</c:if>>6</option>
                    <option value="8"  <c:if test="${pageInfo.pageSize == 8}">selected</c:if>>8</option>
                </select>
            </a>
        </li>
    </ul>
</div>

<script>
    //    下一页
    function goPage(pageNum){

        //获取文本框的内容
        var name = document.getElementById("searchName").value;

        //继续发送手机类型的数据
        var type_id = document.getElementById("phoneType").value;
        //获取每页显示的条数
        var pageSize = $("#sizeSelect").val();

        //发送到后台
        window.location=path+'/phone/list?name='+name+"&phonetype_id="+type_id+"&pageNum="+pageNum+"&pageSize="+pageSize;
    }

    //重新选择每页显示的条数
    function changeSize(obj){
        //获取文本框的内容
        var name = document.getElementById("searchName").value;

        //继续发送手机类型的数据
        var type_id = document.getElementById("phoneType").value;

        //发送到后台
        window.location=path+'/phone/list?name='+name+"&phonetype_id="+type_id+"&pageNum=1&pageSize="+obj.value;
    }
</script>
